Where is Zhou Min and which province does it belong to?

Min County, known as Zhou Min in history, is located in the south of Gansu Province. With a total area of 3,578 square kilometers, it governs 22 townships, 1 town, ***379 village committees and 10 neighborhood committees, with a total population of 430,000 and cultivated land of 627,000 mu, with an average elevation of 2,500 meters, an annual average temperature of 5.5℃ and a frost-free period of1kloc-.